<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<input type="text" placeholder="请输入添加的数量">
<input type="button" value="帅哥" onclick="f(1)">
<input type="button" value="美女" onclick="f(2)">
<hr>
<script>
    let input = document.querySelector("input");
  function f(x) {
    let imgURL= x==1?"a.jpg":"b.jpg";
      for (let i = 0; i < input.value; i++) {
          //创建图片标签
          let img = document.createElement("img");
          //设置图片路径
          img.src = imgURL;
          //添加到页面中
          document.body.append(img);
      }

  }
</script>


</body>
</html>